| Name | Region |
|---|---|
| Qubit Pharmaceuticals | |
| Quentin Monnet | |
| Query Informatique | Hauts-de-Seine |
| QuesCom S.A.S. | Hauts-de-Seine |
| Questel | |
| Quick Source | |
| Quivo | |
| Quivr | |
| Quobly | |
| Quomodo | Val-de-Marne |
| QW Hosting International | |
| Qwant | |
| Qwesta | |
| Qynapse | |
| R&C | Val-de-Marne |
| R-systèmes d'information | Hérault |
| R.Tech Engineering | Ariège |
| Radar Technologies | |
| Radès | |
| Radiall S.A. | Paris |
| Radio Diffusion System | Loire-Atlantique |
| Radiotel Entreprises | Allier |
| Raidium S.A.S. | |
| Rainbow | Haut-Rhin |
| Rainbow | |
| RAISE Sherpas | |
| Rakam | |
| Rakoona | |
| RAM France | Seine-et-Marne |
| Ramify | |
| Randco | Paris |
| Randstad S.A.S. | |
| Ranking Metrics | Seine-et-Marne |
| Ranks.fr | Isère |
| RapidoBackup | Hauts-de-Seine |
| Rapidomaine | |
| RAS | Hauts-de-Seine |
| RATP Connect | Seine-Saint-Denis |
| RATP Smart Systems | |
| Ravel Technologies | |
| Rayon | |
| Rayonnance | |
| Razorfish | |
| RC2C | Charente-Maritime |
| Rc2i | Oise |
| RCB Informatique S.A.S. | Yvelines |
| RCS Informatique | Bouches-du-Rhône |
| RD médias | Bouches-du-Rhône |
| RD Soft | Var |
| RD-Biotech |